above, with a lighter band across the head between the eyes, and there are traces
of a longitudinal line down the b a c k ; the limbs are banded with brown and
brownish yellow ; the under parts are pale, dotted with brown.
DIMENSIONS.
In. Lin.
Length of tbe head o 6
of the body i 0
of the anterior extremities .............................. 1 0
of the posterior extremities.............................. 2 1
Found by Mr. Darwin at Valdivia.
G e n u s— HYLORINA. B e ll
Caput subrotundiim planum. Lingua magna circularis, posticè libera. Dentes
palatini in lined transversd, parum interruptd, dispositi. Tympanum distinctum.
Digiti subdepressi, ad apicem obtusi, hand expaiisi ; anteriores/«rè ; posteriores
ad basin membrana connexi, et marginati. Femora multò glandulosa.
A genus nearly allied to Hylodes, from which, however, it may a t once be
distinguished by the palmure of the hinder toes—which in Hylodes are entirely
free—and by the absence of even the slightest dilatation of their extremities ;
offering another example of an osculant form between the HvLiDAi and the
R a n i d a : .
H y l o r i n a s y l v a t i c a . 3Iihi.
P late X IX .—F ig. 1.
D e s c r ip t io n .— H e a d broad, ro u n d ed , th e a n te rio r margin, from th e nose to th e lip, n ea rly perp en dicular.
E y e s large an d p rom in en t. T ym p an um distinc t, small, ro u n d . T o n g u e very large,
circular, a n d en tire , th e posterior h a lf free. P a la tin e te e th placed in a transverse lino
between tb e posterior nostrils, scarcely in te rru p te d in tb e middle. Skin o f th e back rugose.
A n te rio r feet with th e toes long, ra th e r slender, u n ite d a t th e base only by a very short memb
rane, with ro u n d subarticula r tubercles, th e apex ro u n d ed , b u t n o t p re sen tin g th e slightest
expansion. H in d e r toes similarly formed, b u t w ith th e co n n e ctin g membrane more conspicuous,
an d e x te n d in g along tb e sides o f th e toes n e a rly to th e ex trem ity . T h ig h s covered
on th e u n d e r an d posterior surface with ra th e r large a n d d is tin c t glands.